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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2548809772

Certificate GIA 2548809772

Diamond specifications and retailer prices

From €1,352 EUR
As of November 6, 2026
Save €3,022 EUR (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,374 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2548809772. Listed at 8 retailers as of November 5, 2026, with prices from €1,352 to €4,374, a €3,022 spread on the same certified stone. NZ Jewellers lists it at €4,374. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2548809772
Dimensions6.80 × 6.83 × 4.27 mm
L/W Ratio1.00
Top View
6.80 mm6.83 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2548809772
Side View
Table 56.0%Crown 35.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,374 EUR|Low: €1,352 EUR|High: €4,374 EUR|Avg: €2,308 EUR|+11.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2€1,352 EUR
Retailer 7€1,619 EUR
Retailer 3€1,692 EUR
Retailer 4€1,917 EUR
Retailer 5€1,936 EUR
Retailer 6€2,306 EUR
Retailer 8€3,133 EUR
NZ Jewellers€4,374 EUR

28 data points across 8 retailers

8 retailers€1,352 EUR to €4,374 EUR

A
Cheapest Retailer
-
€1,352 EUR
A
Retailer 2
-
€1,619 EUR
View
A
Retailer 3
-
€1,692 EUR
View
A
Retailer 4
-
€1,917 EUR
View
A
Retailer 5
-
€1,936 EUR
View
A
Retailer 6
-
€2,306 EUR
View
B+
Retailer 7
-
€3,133 EUR
View
Most Expensive
B
NZ Jewellers
a5c98d07-f077-4ded-9cb2-d72a572da26b · Nov 5
€4,374 EUR
$4,884 USD
View
7 more retailers have this diamond
Prices start from €1,352 EURSave up to €3,022 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.21ct Round
€1,352 EUR